1145253000145 has 8 divisors (see below), whose sum is σ = 1374582223656. Its totient is φ = 916016651136.

The previous prime is 1145253000139. The next prime is 1145253000149. The reversal of 1145253000145 is 5410003525411.

It can be written as a sum of positive squares in 4 ways, for example, as 242903093904 + 902349906241 = 492852^2 + 949921^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1145253000145 - 2⁵ = 1145253000113 is a prime.

It is a super-2 number, since 2×1145253000145² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1145253000149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23191492 + ... + 23240821.

It is an arithmetic number, because the mean of its divisors is an integer number (171822777957).

Almost surely, 2^{1145253000145} is an apocalyptic number.

It is an amenable number.

1145253000145 is a deficient number, since it is larger than the sum of its proper divisors (229329223511).

1145253000145 is an equidigital number, since it uses as much as digits as its factorization.

1145253000145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46437251.

The product of its (nonzero) digits is 12000, while the sum is 31.

Adding to 1145253000145 its reverse (5410003525411), we get a palindrome (6555256525556).

The spelling of 1145253000145 in words is "one trillion, one hundred forty-five billion, two hundred fifty-three million, one hundred forty-five", and thus it is an aban number.